temephos technical

Temephos is an nonsystemic organophosphorus insecticide used to control mosquito, midge, and black fly larvae. It is used in lakes, ponds, and wetlands. It also may be used to control fleas on dogs and cats and to control lice on humans. Temephos is available as 50% emulsifiable concentrates, 50% wettable powder, 5% and 1% granular forms.

Physical and Chemical Properties

Product Name

Temephos Technical

Purity

90.00% Min

Acidity

0.30% Max as H2SO4

Chemical Family

Organophosphate

IUPAC Name O,O,O’,O’-tetramethyl O,O’-thiodi-p- phenylene bis(phosphorothioate)
CAS No

[3383-96-8]

Empirical Formula

C16H20O6P2S

Structural Formula
Molecular Weight

466.5

Appearance

Brown viscous liquid

Odour

Mercaptane Odor

Boiling Point

120-125°C (Decomp)

Specific Gravity

1.32 at 20 oC

Vapour Pressure

8 x 10 -3 mPa (25°C)

Solubility

In water 0.03 mg/lit. at 25 oC.

Soluble in common organic solvents such as diethyl ether, aromatic and chlorinated hydrocarbons

Stability

Moderately stable to hydrolysis in contact with aqueous alkali; no observed hydrolysis at pH 8 at room temperature for several weeks or at pH 11 at 40°C for several hours.

Flash Point

>120°C

Toxicity
Route Species LD50 Mg/Kg of B/w
Oral Rat

>2000

Dermal Rabbit

>2000

Antidote

Atropine and Pralidoxime

Packing 200 Ltr UN approved Drums
Formulation Available

50%EC and 1% G

< Back to Technicals

Sales Contact

Telangana

Coromandel House,
Sardar Patel Road Secunderabad 500 003, India
T +91 40 27842034
F +91 40 27844117